Watch The Stabs MOVE Like Crazy on the F-22 RAPTOR!! ✈️ Locked Camera + Slow-Mo
21The Freewing F-22 is a fantastic RC jet model aircraft, and this flight video illustrates and emphasizes how amazingly scale the control surfaces behave when the jet is set up with a neutral CG while making use of a well set up gyro!
You may be familiar with @mfingar's super-slow motion videos of the F-22 demo flights performed by Cabo Gunderson of the USAF. On those, the camera is locked to the airframe and video speed is slowed down so you can watch unbelievable close-ups of how all the control surfaces are moving throughout the flight, showing pilot and flight computers doing their thing, which is really mind blowing if you ask me... This video does the same but with a RC F-22 Raptor scale model, missing only the water vapour fluff, haha!
Contrary to popular belief, you can make RC models perform unstable and very close to what the full scale jets do (with some limitations, obviously).
There are a plethora of cool things to observe on this video, like the stabs counteracting excessive roll during the loaded roll maneuvers to maintain roll rate moderately low, as commanded by the pilot (who happens to be me, so I'd know, ha!). Another fun nugget is to realize that the stabs essentially act in short 'impulses' that initiate, regulate and finish the maneuvers, rather than having sustained surface deflections, but the jet essentially keeps its level flight / turning / maneuvering state otherwise, thanks to its neutral or slightly tail heavy center of mass balance. This is a mix of gyro and pilot operation.
This flight was performed at 'Club Aeromodelismo Osca', right after the Barcelona-Osca Jets 2023 international jet meeting. It is a truly amazing field with badass looking mountain backdrop, so I took all of my learned piloting skills and flew to the limit trying to capture some of the coolest RC Jet shots ever!
I am really happy about the footage we got, this is just the beginning, prepare for a lot more amazing stuff, keep tuned! :D
Shameless plug: if you want to contribute to my work, please consider having a look at some of my merch! ;)
https://airguardian.creator-spring.com
This was flight # (N/A - still gotta check, sorry) on 'Scarlett'.
Pilot: RC4ever
Ground video: Luis Ibáñez
Airfield: Club Aeromodelismo Osca
Music by: Dream Theater
SPECS (Reflecting my setup):
Freewing F-22 Raptor Ultra Performance 8S 90mm EDF Jet - PNP
12-Blade EDF power system
4075-1390Kv inrunner brushless motor
150A ESC with EC5 connector
Electronic retractable landing gear
Servos, LED Lights
Model Scale: 1/13th
Wingspan: 1060mm
Length: 1500mm
Empty Weight: Around 3100g (w/o battery)
TOW: Around 3900g
CG: 165mm from the leading edge of the wing at the root
Material: EPO
Motor: Stock 8S 4075-1390Kv Inrunner
ESC: Stock Freewing (Hobbywing) 150A, HV
EDF: Stock Freewing 90mm 12-Blade
Servos: (All stock)
- 2x 9g Digital hybrid gear
- 2x 17g Digital metal gear
- 6x 23g Digital metal gear
Landing Gear: Electronic retractable with all metal shock absorbing struts
Receiver: FrSky X8R, using 12 channels so far (user choice)
Gyro: Hobby Eagle A3S3 (added as a mod)
Separate UBEC: TGY 8-15A (added as a mod)
Receiver battery: Rhino 2S 500 and 610mAh (added as a mod)
Main battery packs: (All weighing around 800g combined)
- HRB 2x 4S 4200mAh 50C
- Turnigy Nanotech 2x 4S 3300mAh 70C
Mind that although most of the jet is stock, I performed several modifications. Removed the infamous Blue Box and wing ribbon wires, passed individual leads to wing servos, mixed them all separately, removed pilot figure and nose gear light, installed a HE A3S3 gyro (which required physical servo reversing one stabilator servo, inverting motor and pot wires), added a green LED to make a fake HUD reflection effect, airbrushed the canopy to make it look more golden, like the full-scale one. Need to pick the sun at the right angle to show up though!
More details on my setup coming (soon?)!
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